Original scientific paper
Orthic axis, Lemoine line and Longchamps' line of the triangle in I_2
Vladimir Volenec
; University of Zagreb, Bijeniˇcka c. 30, HR-10 000 Zagreb, Croatia
Jelena Beban-Brkić
; Department of Geomatics, Faculty of Geodesy, Kaˇci´ceva 26, University of Zagreb, HR-10 000 Zagreb, Croatia
Ružica Kolar-Šuper
; Faculty of Teacher Education, University of Osijek, Lorenza J¨agera 9, HR-31 000 Osijek, Croatia
Zdenka Kolar-Begović
orcid.org/0000-0001-8710-8628
; Department of Mathematics, University of Osijek, Gajev trg 6, HR-31 000 Osijek, Croatia
Abstract
The concepts of the orthic axis, Lemoine line and Longchamps’ line of the triangle in an isotropic plane are defined. Some relationships between the introduced concepts and other elements of the triangle in an isotropic plane are also studied.
Keywords
isotropic plane; triangle; standard triangle; orthic axis; Lemoine line; Longchamps’ line
Hrčak ID:
110227
URI
Publication date:
1.7.2009.
Visits: 1.322 *